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<link rel="chapter" href="zend.mail.html" title="Chapter 27. Zend_Mail">
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<link rel="chapter" href="zend.session.html" title="Chapter 39. Zend_Session">
<link rel="chapter" href="zend.soap.html" title="Chapter 40. Zend_Soap">
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<link rel="chapter" href="zend.timesync.html" title="Chapter 43. Zend_TimeSync">
<link rel="chapter" href="zend.translate.html" title="Chapter 44. Zend_Translate">
<link rel="chapter" href="zend.uri.html" title="Chapter 45. Zend_Uri">
<link rel="chapter" href="zend.validate.html" title="Chapter 46. Zend_Validate">
<link rel="chapter" href="zend.version.html" title="Chapter 47. Zend_Version">
<link rel="chapter" href="zend.view.html" title="Chapter 48. Zend_View">
<link rel="chapter" href="zend.xmlrpc.html" title="Chapter 49. Zend_XmlRpc">
<link rel="appendix" href="requirements.html" title="Appendix A. Zend Framework Requirements">
<link rel="appendix" href="coding-standard.html" title="Appendix B. Zend Framework Coding Standard for PHP">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="introduction.installation"></a>1.2. Installation</h2></div></div></div>
<p>
        Zend Framework requires PHP 5.1.4 or higher, although Zend strongly recommended 5.2.3 or higher as there were some
        critical security and performance enhancements introduces between these two versions. You can find more details in the
        <a href="requirements.html" title="Appendix A. Zend Framework Requirements">requirements appendix</a>.
    </p>
<p>
        Installing Zend Framework is extremely simple. Once you have downloaded and extracted the framework, you should add the
        /library folder in the distribution to the beginning of your include path. You may also want to move the library folder
        to another- possibly shared- location on your filesystem. 

        </p>
<div class="itemizedlist"><ul type="disc">
<li><p>
                    <a href="http://framework.zend.com/download" target="_top">Download the latest stable release.</a>
                    This version, available in both <code class="code">.zip</code> and <code class="code">.tar.gz</code> formats, is a good
                    choice for those who are new to Zend Framework.
                </p></li>
<li><p>
                    <a href="http://framework.zend.com/download/snapshot" target="_top">Download the latest nightly
                    snapshot.</a> For those who would brave the cutting edge, the nightly snapshots represent the
                    latest progress of Zend Framework development. Snapshots are bundled with documentation either in
                    English only or in all available languages. If you anticipate working with the latest Zend
                    Framework developments, consider using a Subversion (SVN) client.
                </p></li>
<li>
<p>
                    Using a <a href="http://subversion.tigris.org" target="_top">Subversion</a> (SVN) client. Zend Framework
                    is open source software, and the Subversion repository used for its development is publicly
                    available. Consider using SVN to get the Zend Framework if you already use SVN for your
                    application development, want to contribute back to the framework, or need to upgrade your
                    framework version more often than releases occur.
                </p>
<p>
                    <a href="http://svnbook.red-bean.com/nightly/en/svn.ref.svn.c.export.html" target="_top">Exporting</a> is
                    useful if you want to get a particular framework revision without the <code class="code">.svn</code>
                    directories as created in a working copy.
                </p>
<p>
                    <a href="http://svnbook.red-bean.com/nightly/en/svn.ref.svn.c.checkout.html" target="_top">Checking out a
                    working copy</a> is good when you might contribute to Zend Framework, and a working copy can
                    be updated any time with
                    <a href="http://svnbook.red-bean.com/nightly/en/svn.ref.svn.c.update.html" target="_top"><code class="code">svn
                    update</code></a>.
                </p>
<p>
                    <a href="http://svnbook.red-bean.com/nightly/en/svn.advanced.externals.html" target="_top">An externals
                    definition</a> is highly convenient for developers already using SVN to manage their
                    application working copies.
                </p>
<p>
                    The URL for the trunk of the Zend Framework SVN repository is:
                    <a href="http://framework.zend.com/svn/framework/standard/trunk" target="_top">http://framework.zend.com/svn/framework/standard/trunk</a>
                </p>
</li>
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<p>
    </p>
<p>
        Once you have a copy of the Zend Framework available, your application needs to be able to access the
        framework classes. Though there are
        <a href="http://www.php.net/manual/en/configuration.changes.php" target="_top">
        several ways to achieve this</a>, your PHP
        <a href="http://www.php.net/manual/en/ini.core.php#ini.include-path" target="_top"><code class="code">include_path</code></a>
        needs to contain the path to the Zend Framework library.
    </p>
<p>
        Zend provides a <a href="http://framework.zend.com/docs/quickstart" target="_top">QuickStart</a> to get you up and running
        as quickly as possible. This is an excellent way to begin learning about the framework with an emphasis
        on real world examples that you can built upon.
    </p>
<p>
        Since Zend Framework components are loosely coupled, you may use a somewhat unique combination of them in your
        own applications. The following chapters provide a comprehensive reference to Zend Framework on a component-by-
        component basis.
    </p>
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